#include <stdio.h>
#define SIZE 10
int sum(int ar[], int n);
int main(int argc, char const *argv[])
{
    int marbles[SIZE] = {20,10,5,39,4,16,19,31,20};
    long answer;
    answer = sum(marbles, SIZE);
    printf("The total number of marbles is %ld. \n",answer);
    printf("The size of marbles is %zd bytes. \n",sizeof(marbles));
    
    return 0;
}


int sum(int * ar, int n)
{
    int i;
    int total =0;
    for (i=0;i<n;i++) {
        total += ar[i];
    }
    printf("The size of ar is %zd bytes. \n",sizeof ar);
    return total;
}